5252421902 has 64 divisors (see below), whose sum is σ = 10282567680. Its totient is φ = 1953974016.

The previous prime is 5252421899. The next prime is 5252421943. The reversal of 5252421902 is 2091242525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 468203 + ... + 479289.

It is an arithmetic number, because the mean of its divisors is an integer number (160665120).

Almost surely, 2^5252421902 is an apocalyptic number.

5252421902 is a deficient number, since it is larger than the sum of its proper divisors (5030145778).

5252421902 is a wasteful number, since it uses less digits than its factorization.

5252421902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11265.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 5252421902 is about 72473.5945155199. The cubic root of 5252421902 is about 1738.2805383694.

The spelling of 5252421902 in words is "five billion, two hundred fifty-two million, four hundred twenty-one thousand, nine hundred two".